:root{--bg:#0d1b2a;--surface:#162233;--surface2:#1d2e42;--brand:#0a8fd4;--brand-dark:#0772ab;--brand-glow:#0a8fd440;--ok:#22c55e;--err:#ef4444;--text:#f0f6ff;--text-dim:#94a3b8;--border:#ffffff14;--radius:18px;--radius-sm:12px}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);width:100%;height:100%;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Poppins,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow-x:hidden}main.app-shell{flex-direction:column;width:100%;max-width:480px;min-height:100dvh;margin:0 auto;display:flex}.topbar{border-bottom:1px solid var(--border);background:linear-gradient(135deg,#0e4a6e 0%,#07304a 100%);align-items:center;gap:10px;padding:16px 20px 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